// Copyright 2008 Google Inc.
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License.  You may obtain a copy
// of the License at
// 
// http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
// License for the specific language governing permissions and limitations under
// the License.

// A bitmap image 

#import "RuntimeObject.h"

@interface Image : RuntimeObject {
  CGImageRef image_;
  NSUInteger width_;
  NSUInteger height_;
  CGFloat alpha_;
  CGBlendMode blendMode_;
}

- (id)initWithCGImage:(CGImageRef)image;
- (CGImageRef)cgImage;

- (void)setAlpha:(CGFloat)alpha;
- (CGFloat)alpha;

- (void)setCompositingMode:(NSString *)blendMode;
- (NSString *)compositingMode;
- (CGBlendMode)cgBlendMode;

- (NSUInteger)width;
- (NSUInteger)height;

@end
